Results 81 to 90 of about 234,872 (302)

Differential Scanning Calorimetric (DSC) Study of New and Sterilized Nickel-Titanium Rotary Endodontic Instruments [PDF]

open access: yes, 2015
Introduction: Nickel-Titanium (NiTi) files have become popular in endodontic procedures compared to traditional stainless steel hand files owing to their increased flexibility which is especially advantageous in curved canals. Due to the associated costs,
Dyriw, Michael
core   +1 more source

Development of hot drawing process for nitinol tube [PDF]

open access: yes, 2009
In recent years, Nitinol, near-equiatomic nickel-titanium alloys, have found growing applications in medical technology and joining technology, due to their special characteristics such as shape memory, superplasticity and biocompatibility.
Favier D.   +7 more
core   +2 more sources

Orientation‐Dependent Phase Transformation Pathways Enabling Superior Superelastic and Elastocaloric Performance of NiTi Alloys

open access: yesAdvanced Science, EarlyView.
By integrating simulations and experiments, the preferred (001) crystallographic texture promotes reversible martensite formation through variant selection, enhancing both superelastic and elastocaloric performance. This work provides fundamental guidelines for designing high‐efficiency NiTi‐based functional materials. Abstract Developing elastocaloric
Jiaqi Lu   +5 more
wiley   +1 more source

Finite element modeling of the nitinol micro-milling process

open access: yesТехнічна інженерія
The demand for miniature precision products is growing rapidly in many industries, which stimulates the need for efficient manufacturing technologies. Micro-milling is the most versatile process for micromachining metals and alloys.
O.O. Tomashevskyi   +2 more
doaj   +1 more source

Smart 4D-printed implants and instruments

open access: yesCurrent Directions in Biomedical Engineering, 2020
Selective laser melting (SLM) was used to manufacture smart programmed structures with customized properties made of biocompatible NiTi shape-memory alloy.
Wild Michael de   +3 more
doaj   +1 more source

The Genome Scale Metabolic Model of Cryptosporidium hominis: iNV209 [PDF]

open access: yes, 2009
The apicomplexan Cryptosporidium is a protozoan parasite of humans and other mammals. Cryptosporidium species cause acute gastro-enteritis and diarrheal disease in healthy humans and animals, and cause life-threatening infection in immuno-compromised ...
Vanee, Niti
core   +1 more source

Influence of the Gas Reaction Atmosphere on the Structure, Phase Composition, Functional Properties and Cytocompatibility of Porous Titanium–Nickel Alloys

open access: yesMetals, 2022
This work studies the effect that argon and nitrogen atmospheres have on the structure, phase composition, cytocompatibility, and functional properties of porous NiTi alloys obtained by self-propagating high-temperature synthesis.
Ekaterina Marchenko   +2 more
doaj   +1 more source

Antiviral Activity of Bioactive Sphingolipids [PDF]

open access: yes, 2009
Dean's Undergraduate Research FundHuman cytomegalovirus (HCMV) causes severe diseases in those with immature or compromised immune systems, including transplant patients and congenitally infected infants.
Shah, Niti
core  

Ab initio study of point defects in NiTi-based alloys

open access: yes, 2014
Changes in temperature or stress state may induce reversible B2$\leftrightarrow$(R)$\leftrightarrow$ B19' martensitic transformations and associated shape memory effects in close-to-stoichiometric nickel-titanium (NiTi) alloys.
Dlouhý, Antonín   +3 more
core   +1 more source

Welding strength of NiTi wires [PDF]

open access: yesDental Press Journal of Orthodontics, 2018
ABSTRACT Objective: To identify the appropriate power level for electric welding of three commercial brands of nickel-titanium (NiTi) wires. Methods: Ninety pairs of 0.018-in and 0.017 × 0.025-in NiTi wires were divided into three groups according to their manufacturers - GI (Orthometric, Marília, Brazil), GII (3M OralCare, St.
Mesquita, Tatyane Ribeiro   +2 more
openaire   +7 more sources

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